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Abstract

We have developed an all-fiber system where we generate
electromagnetically induced transparencies in a 20-m acetylene-filled
photonic microcell. Using this system, pulses of probe light were delayed
and advanced by up to 5 and 1 ns, respectively. The delay/advance is tunable
through the probe detuning and the coupling Rabi frequency. Through
optimization of experimental parameters such as acetylene pressure, coupling
laser power and decoherence rates it is shown that a pulse delay of 7 ns/m
is possible. Limitations imposed on the fiber length by resonance group
velocity dispersion and spectral reshaping are also discussed. In addition
to optical buffering, we suggest a slow-light-based fiber optical gyroscope
with an enhanced SNR of ${\sim} {\hbox {92}}$.

References

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